I have a sis5513 chipset. I have dma enabled without any error, but everytime I copy a file, or I try to access the hd, 100% of the CPU is used. I have no problems in kernel 2.4.x with the same settings. I have the same problem for both the HD.
This could be useful: (from /var/log/messages) [...] Jun 21 00:31:46 localhost kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 Jun 21 00:31:46 localhost kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx Jun 21 00:31:46 localhost kernel: SIS5513: IDE controller at PCI slot 0000:00:00.1 Jun 21 00:31:46 localhost kernel: SIS5513: chipset revision 208 Jun 21 00:31:46 localhost kernel: SIS5513: not 100%% native mode: will probe irqs later Jun 21 00:31:46 localhost kernel: SIS5513: SiS730 ATA 100 (1st gen) controller Jun 21 00:31:46 localhost kernel: ide0: BM-DMA at 0x4000-0x4007, BIOS settings: hda:DMA, hdb:DMA Jun 21 00:31:46 localhost kernel: ide1: BM-DMA at 0x4008-0x400f, BIOS settings: hdc:DMA, hdd:DMA Jun 21 00:31:46 localhost kernel: hda: WDC WD300BB-00AUA1, ATA DISK drive Jun 21 00:31:46 localhost kernel: hdb: Maxtor 6Y080P0, ATA DISK drive Jun 21 00:31:46 localhost kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 Jun 21 00:31:46 localhost kernel: hdc: ASUS CRW-5224A, ATAPI CD/DVD-ROM drive Jun 21 00:31:46 localhost kernel: hdd: TOSHIBA DVD-ROM SD-R5112, ATAPI CD/DVD-ROM drive Jun 21 00:31:46 localhost kernel: ide1 at 0x170-0x177,0x376 on irq 15 Jun 21 00:31:46 localhost kernel: hda: max request size: 128KiB Jun 21 00:31:46 localhost kernel: hda: 58633344 sectors (30020 MB) w/2048KiB Cache, CHS=58168/16/63, UDMA(100) Jun 21 00:31:46 localhost kernel: hda: hda1 hda3 < hda5 > Jun 21 00:31:46 localhost kernel: hdb: max request size: 128KiB Jun 21 00:31:46 localhost kernel: hdb: 160086528 sectors (81964 MB) w/7936KiB Cache, CHS=65535/16/63, UDMA(100) Jun 21 00:31:46 localhost kernel: hdb: hdb1 hdb2 hdb3 Jun 21 00:31:46 localhost kernel: hdc: ATAPI 52X CD-ROM CD-R/RW CD-MRW drive, 2048kB Cache, UDMA(33) Jun 21 00:31:46 localhost kernel: Uniform CD-ROM driver Revision: 3.20 Jun 21 00:31:46 localhost kernel: hdd: ATAPI 40X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33) [...] __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - 100MB free storage! http://promotions.yahoo.com/new_mail -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]